class_docstr: Domain for Neural Network architectures. 
docstr: Returns type of the domain. 
docstr_tok: ["Returns","type","of","the","domain","."]
code: def get_type(self):
      """Returns type of the domain."""
      return "neural_network"
  
imports: import numpy
  from copy import copy
  from ..exd.domains import Domain
label_desc: Use image node_id 2 for calling the NNDomain obj's underlying member method code with example usage: obj.get_type() and returns: str